AU705280B2 - Method and apparatus for minimizing leakage in turbine seals - Google Patents

Method and apparatus for minimizing leakage in turbine seals Download PDF

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Publication number
AU705280B2
AU705280B2 AU29959/97A AU2995997A AU705280B2 AU 705280 B2 AU705280 B2 AU 705280B2 AU 29959/97 A AU29959/97 A AU 29959/97A AU 2995997 A AU2995997 A AU 2995997A AU 705280 B2 AU705280 B2 AU 705280B2
Authority
AU
Australia
Prior art keywords
sealing ring
tooth
ring segment
segments
tooth portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU29959/97A
Other languages
English (en)
Other versions
AU2995997A (en
Inventor
Anthony F. Mitola
William P. Sanders
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Turbo Parts LLC
Original Assignee
Innovative Technology LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Innovative Technology LLC filed Critical Innovative Technology LLC
Publication of AU2995997A publication Critical patent/AU2995997A/en
Application granted granted Critical
Publication of AU705280B2 publication Critical patent/AU705280B2/en
Assigned to TURBO PARTS, L.L.C. reassignment TURBO PARTS, L.L.C. Alteration of Name(s) in Register under S187 Assignors: INNOVATIVE TECHNOLOGY, L.L.C.
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
AU29959/97A 1996-05-06 1997-05-02 Method and apparatus for minimizing leakage in turbine seals Expired AU705280B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US643192 1996-05-06
US08/643,192 US5735667A (en) 1996-05-06 1996-05-06 Method and apparatus for minimizing leakage in turbine seals
PCT/US1997/007488 WO1997042400A1 (en) 1996-05-06 1997-05-02 Method and apparatus for minimizing leakage in turbine seals

Publications (2)

Publication Number Publication Date
AU2995997A AU2995997A (en) 1997-11-26
AU705280B2 true AU705280B2 (en) 1999-05-20

Family

ID=24579748

Family Applications (1)

Application Number Title Priority Date Filing Date
AU29959/97A Expired AU705280B2 (en) 1996-05-06 1997-05-02 Method and apparatus for minimizing leakage in turbine seals

Country Status (10)

Country Link
US (1) US5735667A (es)
EP (1) EP0897460B1 (es)
JP (1) JP3185148B2 (es)
CN (1) CN1075157C (es)
AU (1) AU705280B2 (es)
CA (1) CA2253219C (es)
DE (1) DE69731828T2 (es)
ES (1) ES2236808T3 (es)
HK (1) HK1019470A1 (es)
WO (1) WO1997042400A1 (es)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6206642B1 (en) * 1998-12-17 2001-03-27 United Technologies Corporation Compressor blade for a gas turbine engine
US20040173969A1 (en) * 2001-10-25 2004-09-09 Smith Walter J. Turbine brush seal
US20050053758A1 (en) * 2001-10-25 2005-03-10 Smith Walter J. Method, apparatus and system for creating a brush seal
US6969231B2 (en) * 2002-12-31 2005-11-29 General Electric Company Rotary machine sealing assembly
US8181967B2 (en) * 2006-06-27 2012-05-22 General Electric Company Variable clearance packing ring
US7748945B2 (en) * 2006-12-07 2010-07-06 Jerry Wayne Johnson Floating sealing ring
US8262348B2 (en) * 2008-04-08 2012-09-11 Siemens Energy, Inc. Turbine blade tip gap reduction system
EP2299062A1 (de) * 2009-09-17 2011-03-23 Siemens Aktiengesellschaft Dichtungssegment für eine Strömungsmaschine
DE102009042857A1 (de) * 2009-09-24 2011-03-31 Rolls-Royce Deutschland Ltd & Co Kg Gasturbine mit Deckband-Labyrinthdichtung
US8561997B2 (en) * 2010-01-05 2013-10-22 General Electric Company Adverse pressure gradient seal mechanism
JP5558138B2 (ja) * 2010-02-25 2014-07-23 三菱重工業株式会社 タービン
CN101922312B (zh) * 2010-03-24 2013-11-06 北京航空航天大学 一种叶轮机械径向间隙泄漏损失的控制方法
US8794640B2 (en) * 2010-03-25 2014-08-05 United Technologies Corporation Turbine sealing system
US20110280715A1 (en) * 2010-05-11 2011-11-17 General Electric Company Curved labyrinth seals
US8591181B2 (en) 2010-10-18 2013-11-26 General Electric Company Turbomachine seal assembly
FR2974842B1 (fr) * 2011-05-05 2015-07-03 Snecma Joint d'etancheite dans une turbomachine, comprenant des lechettes mobiles devant de l'abradable
DE202011105609U1 (de) * 2011-09-12 2011-10-13 Alstom Technology Ltd. Labyrinthdichtung
EP2642081A1 (en) 2012-03-21 2013-09-25 Alstom Technology Ltd Labyrinth seal for turbines
US9145786B2 (en) 2012-04-17 2015-09-29 General Electric Company Method and apparatus for turbine clearance flow reduction
US9506366B2 (en) 2013-08-06 2016-11-29 General Electric Company Helical seal system for a turbomachine
US10006303B2 (en) 2016-04-15 2018-06-26 William P. Sanders Contra-flow strips, contra-flow seal segments, and methods for inhibiting leakage
CN106194278B (zh) * 2016-07-29 2018-10-09 中国航空工业集团公司沈阳发动机设计研究所 一种燃气涡轮发动机封严装置
JP6846374B2 (ja) * 2018-03-08 2021-03-24 三菱重工業株式会社 動翼側シール装置、静翼側シール装置及び回転機械
JP7054582B2 (ja) * 2018-08-03 2022-04-14 株式会社東芝 シール装置およびターボ機械

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR365995A (fr) * 1905-07-08 1906-09-24 Charles Algernon Parsons Genre de garniture à chicanage pour turbines
GB803452A (en) * 1955-09-22 1958-10-22 Peter Dennis Comery Improvements in or relating to labyrinth seals

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3897169A (en) * 1973-04-19 1975-07-29 Gen Electric Leakage control structure
US4351532A (en) * 1975-10-01 1982-09-28 United Technologies Corporation Labyrinth seal
US4046388A (en) * 1976-03-09 1977-09-06 Westinghouse Electric Corporation Seal arrangement utilizing deflector seals of reduced radial dimension
JPS57204375A (en) * 1981-06-10 1982-12-15 Toshiba Corp Labyrinth seal device
US4420161A (en) * 1982-05-10 1983-12-13 General Electric Company Rotor stabilizing labyrinth seals for steam turbines
JPS6185540A (ja) * 1984-10-04 1986-05-01 Toshiba Corp タ−ボ機械の流体シ−ル装置
JPS62116101U (es) * 1986-01-17 1987-07-23
US5026075A (en) * 1989-02-16 1991-06-25 Westinghouse Electric Corp. Radial seal
GB2264541A (en) * 1992-02-29 1993-09-01 Rolls Royce Plc Improved sealing ring for gas turbine engines
US5362072A (en) * 1992-12-21 1994-11-08 Imo Industries, Inc., Quabbin Division Turbine radial adjustable labyrinth seal
US5395124A (en) * 1993-01-04 1995-03-07 Imo Industries, Inc. Retractible segmented packing ring for fluid turbines having gravity springs to neutralize packing segment weight forces
US5271712A (en) * 1993-01-06 1993-12-21 Brandon Ronald E Turbine geometry to reduce damage from hard particles

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR365995A (fr) * 1905-07-08 1906-09-24 Charles Algernon Parsons Genre de garniture à chicanage pour turbines
GB803452A (en) * 1955-09-22 1958-10-22 Peter Dennis Comery Improvements in or relating to labyrinth seals

Also Published As

Publication number Publication date
ES2236808T3 (es) 2005-07-16
CN1075157C (zh) 2001-11-21
EP0897460A1 (en) 1999-02-24
EP0897460B1 (en) 2004-12-01
CN1217762A (zh) 1999-05-26
JPH11509603A (ja) 1999-08-24
US5735667A (en) 1998-04-07
DE69731828T2 (de) 2005-12-01
AU2995997A (en) 1997-11-26
DE69731828D1 (de) 2005-01-05
JP3185148B2 (ja) 2001-07-09
WO1997042400A1 (en) 1997-11-13
CA2253219C (en) 2002-05-28
CA2253219A1 (en) 1997-11-13
HK1019470A1 (en) 2000-02-11

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